, . "" , : must, will (would) could, may, might, can't. :
must (≈99%) | could(≈80%) | may(≈50%) | might (≈20%) | can't (≈1%)
Must can't : must - can't - . - , .
Martin must have some problems - he is kind of sullen. : - .
There's the doorbell. It must be Rodger. He always comes home at this time. - . . .
Suzie can't have a ten-year-old daughter! She's only twenty-five herself! ! !
You can't be serious. I know you are joking. . , .
Could, may might .
Dave and Lucy aren't at home. They could be in the theatre, I suppose. . (≈80% ; ).
We may go to Greece for our holidays. We haven't decided yet. , . (≈50% ).
She may be at home. (≈50% ).
Ann might be there too. (≈20%; )
According to the radio, it may rain today (≈50%). It might even snow (≈20%). . .
, .
His light's on. He must be working late. . , .
It's only 8:10. They can't be having a break yet. . .
+ :
They could have moved house. .
Robert must have gone out. , ( ).
She passed me in the street without speaking: she can't have seen me. : .
I rang Helen but she didn't reply, so I suppose she may have been in the bath. , , .
, . must, could, may, might, can't . , : should, ought (to), will, would need. , .
Should ought (to) , .
They should all be of equal speed. , .
It ought not to be very hard to get the village. , .
Will would , .
We heard the phone call. "That would be Charles", I said, knowing I was right. . ", " - , .
That will be the postman, I expect. , , .
Need .
It needn′t take you very long. .
